Lamp suitable for use on vehicles



June 9, 1925. 1,541,705

(3. E. GOODYEAR LAMP SUITABLE FOR USE ON VEHICLES Filed Sept. 5, 1924 C-Il Patented June 9, 1925.

PATENT OFFICE.

GLAUDE,E.. GOODYEAB,-O'F KIDDERMINSTER, ENGLAND.

LAMP SUITABLE, FOR Us]; on VEHICLES.

Application filed September T (MK whom z't-may concern Be it known that I, CLAUDE EUGENE Goon- YEAR, a subject of the King of Great Britain,

residing at Comberton Hall, Kidderminster, in the county of WVorcester, England, have invented certain new and useful Improvements in or Relating to Lamps Suitable for Use on Vehicles, of which the following is a specification.

This invention, which comprises certain improvements in or relating to lamps suitable for use on vehicles and to the manufacture of the same, is an improvement in or a modification of the invention forming subject of my prior application Serial No. 606,256 of December 11th, 1922.

The invention of my said prior application relates to the type of lamp wherein a lamp-body, closed at the front, is composed mainly or essentially of glass or other vitreous or ceramic material, and my said prior invention comprehends a lamp of this type upon the body of which an armouring has been deposit-ed as, for instance, by electrodeposition, the said armouring being of acharacter such that it is adapted substantially to avoid danger accruing as a result of flying splinters in the event of the lamp body being shattered or broken, as a result of impact.

The present invention comprehends an embodiment of my prior invention, wherein the lamp-body is integrally closed at the front and in which the armouring is continued around this front in the form of a marginal flange or inturned rim adapted to function as an abutment serving to prevent rearward derangement of the armouring.

The armouring may also be carried to the rear of the lamp-body at which the opening for the accommodation of the lamp holder may be provided, and at this point the armouring may also be provided with an inward flange adapted still further to anchor the armouring in relation to the body.

Advantageously the lamp is, at the rear, formed with a short rearwardly extending neck, and the armouring may be continued along the exterior of this neck and may terminate with the flange which assumes a position contiguous to the rear face of the said neck.

The amouring maybe applied to the body by deposition as, for instance, by electrodeposition or it may be applied by another a; 1924. sci-mine. 735,607.

method of deposition as, for instance, by spraying the molten-metal on the body.

Inthe cas'eof electro-de-position, the body may first be silvered or otherwise coated with a film of metal, or treated with a conducting metallic paint, that part of the body to which the armouring is to be applied being treated in this way so that the body can then be immersed. in its entity in the electrolytic vat with the result that the armouring is applied only to that part of the surface at which it is required.

The body having this integral front may be manufactured by blowing, moulding, or other suitable process.

In order that this invention may be clearly understood and readily carried into practice, reference may be had to the appended sheet of explanatory drawings, on which Figure 1 is a sectional elevation of a lamp body according to the present invention.

Figure 2 is a side elevation of one form of support for a lamp body such as shown in Figure 1.

Figure 3 is an end elevation of the support shown in Figure 2.

In a convenient embodiment of the present invention as shown in the drawings, a represents the glass lamp body closed integrally at the front Z2 and having an integral boss 0 at the rear. Over this body an armouringcl of metal is provided, as for instance by electro-deposition and the said armouring may be inturned at (Z and flanged at (Z so that it is effectually retained in relation to the glass body. The said armouring may be covered with a layer of suitable paint 6. Below the said armouring, that is to say between the latter and the glass, silvering may, if desired. be incorporated in any appropriate manner to function as a reflector. It will be noted that a lamp body thus constructed can readily be cleansed internally without in any way impairing the silvering.

Such a lamp body may be mounted in any appropriate support. One suitable form of support is shown in Figures 2 and 3 in which a standard f carriesan integral boss 9 which is formed with a flanged disc h adaptedto receive the boss 0 of the lamp body. 2' is a contractile ring of channel section which may be secured around the part It to retain the boss 0 therein. The boss 9 may also be of'a contractile character and,adapted to be clamped around the lamp holder, as for instance by a tightening screw passing through lugs 9 shown in Figure 3.

Having described my invention what I claim and desire to secure by Letters Patent 1s A reflecting lamp body for use on vehicles, said body being composed of glass or other frangible and substantially transparent material and having an integral closed front and further provided on its exterior surface with a coating of reflecting material, and also provided with a splinter confining armor coating applied exteriorly of said reflecting coating by deposition, said armor coating terminating in a flange which extends inwardly and around the front to serve as an abutment-to prevent rearward derangement of the armor coating and being also extended inwardly at the rear in order to anchor the armor coating in relation to the lamp body and prevent forward derangement of said coating.

In witness whereof I have hereunto set my hand.

C. E. GOODYEAR. 

